WHAT IS SALVATION MESSAGE?
This kinda message is common among old generation churches. Any message emphasizing salvation of the christian against their prosperity is salvation message.
Does that mean that the christian is not saved therefore he needs salvation?
Contrary to that view.
John 3:16 says whoever believes in him should not perish but have everlasting life.
Therefore, since all christians have believed that jesus is the christ and their saviour (irrespective of whether they are sinners or not) they are all saved.

Now, assuming christians were not saved does that mean that they should not seek for prosperity?

Salvation message is not solving any problem in christianity rather it is creating problems.

WHAT IS PROSPERITY MESSAGE?
This is a common message preached among pentecostals, they lay more emphases on prosperity over salvation because to some extent they have agreed that they are already saved.
they teach that for you to prosper as a christian you have to give your life to christ(even when they are saved. Very confused people )
They argue that since God created everything and he is the giver of all good things, for you to receive any good thing from God then you must be committed to church and sacrifice your resources to get prosperity in return.

Many poor people in third world countries like nigeria buy this idea a lot. They want to miraculously escape from poverty without working, so they take God to be some kinda money doubler when they pay tithe and sow seeds to pastors in church.

I also notice that salvation messengers are very kin to condemn prosperity messengers in their own way and beliefs.

Now get this right!
Whether you are salvation messenger or prosperity messenger we are all one in christ.

Christianity sometimes can be a crazy experience, but calve your way out of ignorance.

Yes